内容正文:
练习(一)
4.29
×
2.06
=
0.21
×
8.89
=
6.77
×
5.94
=
9.99
×
8.67
=
0.5
×
8.2
=
3.08
×
4.64
=
0.73
×
3.37
=
2.19
×
7.25
=
6.52
×
8.24
=
3.99
×
7.32
=
2.81
×
4.03
=
6.44
×
9.38
=
练习(二)
5.05
×
4.17
=
2.35
×
1.61
=
4.47
×
1.9
=
9.53
×
1.55
=
9.51
×
7.82
=
1.79
×
1.08
=
1.1
×
0.73
=
5.97
×
8.1
=
3.62
×
1.3
=
2.17
×
2.47
=
8.94
×
8.23
=
4.15
×
0.19
=
练习(三)
6.17
×
6.34
=
1.59
×
2.82
=
5.89
×
4.73
=
5.8
×
0.02
=
3
×
5.22
=
4.66
×
2.11
=
8.34
×
7.94
=
7.65
×
1.31
=
5.88
×
3.26
=
4.37
×
3.5
=
1.94
×
9.08
=
3.28
×
5.28
=
练习(四)
4.42
×
5.05
=
2.06
×
6.32
=
9.56
×
9.85
=
0.46
×
0.81
=
4.59
×
9.92
=
1.04
×
5.07
=
3.98
×
4.19
=
6.28
×
4.15
=
3.32
×
1.2
=
1.82
×
1.69
=
6.97
×
7.78
=
4.76
×
6.81
=
练习(五)
7.71
×
5.57
=
7.1
×
4.78
=
8.18
×
3.04
=
2.49
×
2.24
=
6.56
×
1.11
=
9.75
×
1.7
=
3.9
×
3.08
=
0.38
×
5.61
=
7.5
×
7.04
=
7.91
×
2.39
=
2.02
×
4.9
=
2.39
×
7.35
=
练习(六)
3.43
×
1.17
=
2.6
×
5.66
=
7.44
×
6.65
=
3.59
×
0.43
=
2.87
×
7.41
=
9.67
×
0.28
=
6.57
×
2.18
=
2.88
×
5.19
=
8.48
×
6.69
=
8.19
×
3.73
=
3.71
×
9.42
=
1.13
×
0.56
=
练习(七)
6.56
×
3.87
=
3.13
×
0.94
=
0.57
×
0.17
=
7.06
×
1.85
=
6.12
×
7.24
=
6.8
×
4.96
=
2.6
×
4.55
=
1.7
×
8.92
=